Home / 999,132.60-1,498,698.90-493,498.20

Finding the Fourth Proportional to 999,132.60, 1,498,698.90 and 493,498.20

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Solution

The fourth proportional to 999,132.60, 1,498,698.90 and 493,498.20 is: 740,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,132.60 : 1,498,698.90 = 493,498.20 : x
  2. Step 2: Convert to fraction form
    999,132.60/1,498,698.90 = 493,498.20/x
  3. Step 3: Cross multiply
    999,132.60x = 1,498,698.90 × 493,498.20
  4. Step 4: Simplify right side
    999,132.60x = 739,605,209,491.98
  5. Step 5: Solve for x
    x = 739,605,209,491.98/999,132.60
  6. Step 6: Final answer
    x = 740,247.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.